Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4VBR callsign genealogy
Currently held by KERANEN, KONRAD C
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N4VBR's current licensee, walking backwards.
- NISONGER, TIMOTHY BFLgranted 2004-11-03cancelled 2009-03-07
Successor callsigns
Callsigns held now by people who previously held N4VBR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4VBR, oldest first.
- KERANEN, KONRAD C NC1989-02-28 → cancelled 2001-03-01
- NISONGER, TIMOTHY B FL2018-12-27 active